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All results from a given calculation for C4H3ClO (Furan, 2-chloro)

using model chemistry: PBEPBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31G*
 hartrees
Energy at 0K-689.143641
Energy at 298.15K-689.147256
HF Energy-689.143641
Nuclear repulsion energy263.552952
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at PBEPBE/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3241 3195 0.06      
2 A' 3226 3180 0.23      
3 A' 3204 3158 2.30      
4 A' 1572 1550 19.12      
5 A' 1483 1462 55.05      
6 A' 1382 1362 12.50      
7 A' 1216 1198 7.56      
8 A' 1180 1163 52.07      
9 A' 1130 1114 7.65      
10 A' 1065 1050 14.25      
11 A' 1010 995 21.54      
12 A' 905 892 30.20      
13 A' 866 854 0.95      
14 A' 484 477 5.45      
15 A' 306 302 0.39      
16 A" 820 808 0.00      
17 A" 758 747 30.61      
18 A" 685 675 36.92      
19 A" 599 591 8.55      
20 A" 590 582 0.49      
21 A" 215 212 1.24      

Unscaled Zero Point Vibrational Energy (zpe) 12967.5 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 12782.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at PBEPBE/6-31G*
ABC
0.30370 0.07068 0.05733

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.270 0.000
C2 1.321 -0.098 0.000
C3 1.312 -1.535 0.000
C4 -0.002 -1.919 0.000
O5 -0.827 -0.816 0.000
Cl6 -0.765 1.807 0.000
H7 2.179 0.570 0.000
H8 2.180 -2.193 0.000
H9 -0.516 -2.876 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.37122.23152.18881.36491.71682.19953.28933.1884
C21.37121.43632.25002.26412.82521.08772.26423.3302
C32.23151.43631.36922.25663.93482.27601.08912.2678
C42.18882.25001.36921.37713.80293.30892.19881.0869
O51.36492.26412.25661.37712.62333.30983.30702.0836
Cl61.71682.82523.93483.80292.62333.19374.96744.6896
H72.19951.08772.27603.30893.30983.19372.76324.3748
H83.28932.26421.08912.19883.30704.96742.76322.7811
H93.18843.33022.26781.08692.08364.68964.37482.7811

picture of Furan, 2-chloro state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 105.256 C1 C2 H7 126.502
C1 O5 C4 105.923 C2 C1 O5 111.690
C2 C1 Cl6 132.074 C2 C3 C4 106.622
C2 C3 H8 126.874 C3 C2 H7 128.242
C3 C4 O5 110.508 C3 C4 H9 134.526
C4 C3 H8 126.504 O5 C1 Cl6 116.237
O5 C4 H9 114.965
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.108      
2 C -0.173      
3 C -0.182      
4 C 0.052      
5 O -0.354      
6 Cl 0.056      
7 H 0.164      
8 H 0.157      
9 H 0.171      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.160 -1.185 0.000 1.658
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.156 -0.030 0.000
y -0.030 -35.732 0.000
z 0.000 0.000 -42.611
Traceless
 xyz
x 1.015 -0.030 0.000
y -0.030 4.651 0.000
z 0.000 0.000 -5.667
Polar
3z2-r2-11.333
x2-y2-2.424
xy-0.030
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.067 -1.295 0.000
y -1.295 10.593 0.000
z 0.000 0.000 3.309


<r2> (average value of r2) Å2
<r2> 181.190
(<r2>)1/2 13.461